Re: [PATCH] TPM TIS device driver locality request

From: Andrew Morton
Date: Tue Nov 20 2007 - 01:23:44 EST


On Mon, 19 Nov 2007 00:32:51 +0100 Marcel Selhorst <tpm@xxxxxxxxxxxx> wrote:

> Dear all,
>
> during the initialization of the TPM TIS driver, the necessary
> locality has to be requested earlier in the init-process. Depending on
> the used TPM chip, this leads to wrong information.
> For example: Lenovo X61s with Atmel TPM:
>
> tpm_tis 00:0a: 1.2 TPM (device-id 0xFFFF, rev-id 255)
>
> But correct is:
>
> tpm_tis 00:0c: 1.2 TPM (device-id 0x3203, rev-id 9)
>
> This short patch fixes this issue.

Is this bug sufficiently serious to warrant inclusion of the fix in
2.6.24? 2.6.23.x?

It looks like it's just a cosmetic thing, but I'd like to check...

> Signed-Off-by Marcel Selhorst <tpm@xxxxxxxxxxxx>

Signed-off-by:, please.

> ---
> --- tpm_tis.c.orig 2007-11-19 00:21:09.000000000 +0100
> +++ tpm_tis.c 2007-11-19 00:21:23.000000000 +0100

`patch -p1' form, please. This should have been

--- a/drivers/char/tpm/tpm_tis.c
+++ a/drivers/char/tpm/tpm_tis.c

> @@ -450,6 +450,11 @@ static int tpm_tis_init(struct device *d
> goto out_err;
> }
>
> + if (request_locality(chip, 0) != 0) {
> + rc = -ENODEV;
> + goto out_err;
> + }
> +

Your email client is converting tabs to spaces.

http://mbligh.org/linuxdocs/Email/Clients/Thunderbird has help for this.

Thanks.
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